Service Update
Chevrolet technical service bulletin N202319660 01 for 2020-2021 Chevrolet Silverado 1500, 2021 Chevrolet Tahoe and 2020-2021 GMC Sierra 1500 and others.
- Bulletin number
- N202319660 01
- Component
- Equipment
- Summary
- Service Update. Certain vehicles may present a broken engine valve spring. This may cause the engine to run rough, an engine knocking or ticking noise, a check engine light illumination, or a possible vehicle stall. Dealers are to perform the inspection procedure contained within this bulletin.
Vehicles covered
- Chevrolet Silverado 1500 2020-2021 20202021
- Chevrolet Tahoe 2021 2021
- GMC Sierra 1500 2020-2021 20202021
- Chevrolet Suburban 2021 2021
- GMC Yukon 2021 2021
- Cadillac Escalade Na 2021 2021
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